DS
David Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this David Smith across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Catherine — first a head (b.~1887), then head of a 6-person household.
Age 53
b. ~1887
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Methuen |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machinist |
| Industry | Paper mill |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 2200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Machinist |
| Township / Ward | Methuen |
| Est. Birth Year | ~1887 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Catherine Smith | Daughter | — | 14 | ~1926 |
| Jean Smith | Daughter | — | 9 | ~1931 |
| Pauline Smith | Daughter | — | 11 | ~1929 |
| David Smith | Head | — | 53 | ~1887 |
| Donald Liddell | Other | — | 23 | ~1917 |
| Agnes Smith | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Essex, Massachusetts
Son, age 33
Essex, Massachusetts · implied b. ~1887 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1893 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1905 |
| Birthplace (normalized) | scotland |
1930
Essex, Massachusetts
Head, age 43
Essex, Massachusetts · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 37 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Millwright |
| Industry | Worsted Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 32 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Essex-County, Massachusetts
Head, age 53
Essex-County, Massachusetts · implied b. ~1887 — 6 household members
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Methuen |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | Paper mill |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 2200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links David Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Smith (~0.92 confidence) and mother Catherine Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Smith
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Catherine Smith
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Smith
Head · 1940 · age 53 · b. ~1887 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01586-00477)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ada Turner | 74 | Mother-in-law | — | England |
| 42 | Richard Meier | 67 | Head | Carpenter | Massachusetts |
| 43 | Walter Meier | 39 | Son | Carpenter | Massachusetts |
| 44 | Yetta Meier | 44 | Daughter-in-law | — | Germany |
| 45 | Haven R. Meier | 7 | Grandson | — | Massachusetts |
| 46 | Edward P. Khandour | 44 | Head | Weigh Boss | Syria |
| 47 | Martha Khandour | 39 | Wife | Woolen Mender | Massachusetts |
| 48 | John D. At. Dewhurst | 74 | Lodger | — | England |
| 49 | Alfred Minzner | 58 | Head | Interior Decorator | Massachusetts |
| 50 | Emma Minzner | 57 | Wife | — | Massachusetts |
| 51 | William Minzner | 54 | Brother | Worsted Weaver | Massachusetts |
| 52 | William F. Weinhold | 46 | Head | Loomfixer | Massachusetts |
| 53 | Margaret Weinhold | 44 | Wife | — | Massachusetts |
| 54 | David Smith THIS PERSON | 53 | Head | Machinist | Scotland |
| 55 | Agnes Smith | 43 | Wife | — | Massachusetts |
| 56 | Catherine Smith | 14 | Daughter | — | Massachusetts |
| 57 | Pauline Smith | 11 | Daughter | — | Massachusetts |
| 58 | Jean Smith | 9 | Daughter | — | Massachusetts |
| 59 | Donald Liddell | 23 | Step-son | Chauffeur | Massachusetts |
| 60 | Arnold H. Anderson | 43 | Head | Roofer & Metal Worker | New Hampshire |
| 61 | Nina G. Anderson | 44 | Wife | — | Maine |
| 62 | Eleanor L. Anderson | 15 | Daughter | — | Maine |
| 63 | Augusta M. Caswell | 78 | Mother-in-law | — | Maine |
| 64 | John F. Jr. Manning | 57 | Head | — | Massachusetts |
| 65 | Laura B. Manning | 52 | Wife | — | Ohio |
| 66 | George L. Appleyard | 57 | Head | Garage Owner | England |
| 67 | Mary L. Appleyard | 54 | Wife | — | Massachusetts |
| 68 | Edward Schmidt | 40 | Head | Mechanical Finisher | Germany |
| 69 | Agnes Schmidt | 38 | Wife | — | Germany |
| 70 | Arnold Schmidt | 11 | Son | — | New Jersey |
| 71 | Edward P. Schmidt | 10 | Son | — | Penn. |
| 72 | Mary A. Schmidt | 3 | Daughter | — | New Jersey |
| 73 | Ernest R. Schmidt | 0 | Son | — | Massachusetts |
| 74 | Herman H. Petzold | 45 | Head | Architect | Massachusetts |
| 75 | Ellen B. Petzold | 42 | Wife | — | Maine |
| 76 | Georgie M. Terry | 60 | Mother-in-law | — | Maine |
| 77 | Francis A. Gregg | 56 | Head | Medical Doctor | Massachusetts |
| 78 | Claire E. Gregg | 23 | Daughter | French Teacher | Massachusetts |
| 79 | Edward F. Gregg | 21 | Son | — | Massachusetts |
| 80 | Helen M. Wuenache | 52 | Housekeeper | Housekeeper | Germany |
Pedigree Summary
David
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)